28730183 has 2 divisors, whose sum is σ = 28730184. Its totient is φ = 28730182.

The previous prime is 28730161. The next prime is 28730231. The reversal of 28730183 is 38103782.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28730183 - 2⁸ = 28729927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28730123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14365091 + 14365092.

It is an arithmetic number, because the mean of its divisors is an integer number (14365092).

Almost surely, 2^28730183 is an apocalyptic number.

28730183 is a deficient number, since it is larger than the sum of its proper divisors (1).

28730183 is an equidigital number, since it uses as much as digits as its factorization.

28730183 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 28730183 is about 5360.0543840525. The cubic root of 28730183 is about 306.2758807505.

The spelling of 28730183 in words is "twenty-eight million, seven hundred thirty thousand, one hundred eighty-three".